FormatPercent           Format a Number as a Percentage
Node                    Create Trees With 'Node's
PrintFixedDecimal       Format a Number as a Decimal
acme                    acme: A Simple Company with Departments
as.data.frame.Node      Convert a 'Node' to a 'data.frame'
ball                    Is Jack playing ball today?
data.tree               Manage Hierarchical Data in R
mushroom                Data Used by the ID3 Vignette
